213266374436 has 12 divisors (see below), whose sum is σ = 373342390428. Its totient is φ = 106597120032.

The previous prime is 213266374429. The next prime is 213266374439. The reversal of 213266374436 is 634473662312.

It can be written as a sum of positive squares in 2 ways, for example, as 126553793536 + 86712580900 = 355744^2 + 294470^2 .

It is not an unprimeable number, because it can be changed into a prime (213266374439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9003491 + ... + 9027146.

It is an arithmetic number, because the mean of its divisors is an integer number (31111865869).

Almost surely, 2^213266374436 is an apocalyptic number.

It is an amenable number.

213266374436 is a deficient number, since it is larger than the sum of its proper divisors (160076015992).

213266374436 is a wasteful number, since it uses less digits than its factorization.

213266374436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18033598 (or 18033596 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 47.

The spelling of 213266374436 in words is "two hundred thirteen billion, two hundred sixty-six million, three hundred seventy-four thousand, four hundred thirty-six".